/*
 * Copyright (c) 2023, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "ti_msp_dl_config.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

volatile bool gCheckADC;

volatile uint16_t gAdcResult0;
volatile uint16_t gAdcResult1;

void UART_printf(const char *format, ...);
int main(void) {
  /* Initialize peripherals and enable interrupts */
  SYSCFG_DL_init();
  NVIC_EnableIRQ(ADC12_0_INST_INT_IRQN);
  UART_printf("helloworld\r\n");

  gCheckADC = false;
  DL_ADC12_startConversion(ADC12_0_INST);

  while (1) {

    /* Wait until all data channels have been loaded. */
    while (gCheckADC == false) {
    }

    /* Store ADC Results into their respective buffer */
    gAdcResult0 = DL_ADC12_getMemResult(ADC12_0_INST, DL_ADC12_MEM_IDX_0);
    gAdcResult1 = DL_ADC12_getMemResult(ADC12_0_INST, DL_ADC12_MEM_IDX_1);
    UART_printf("res1=%4d,res2=%4d\r\n", gAdcResult0, gAdcResult1);
    gCheckADC = false;
  }
}

/* Check for the last result to be loaded then change boolean */
void ADC12_0_INST_IRQHandler(void) {
  switch (DL_ADC12_getPendingInterrupt(ADC12_0_INST)) {
  case DL_ADC12_IIDX_MEM1_RESULT_LOADED:
    gCheckADC = true;
    break;
  default:
    break;
  }
}

void UART_printf(const char *format, ...) {
  uint32_t length;
  va_list args;
  uint32_t i;
  char TxBuffer[128] = {0};

  va_start(args, format);
  length = vsnprintf((char *)TxBuffer, sizeof(TxBuffer), (char *)format, args);
  va_end(args);

  for (i = 0; i < length; i++) {
    DL_UART_Main_transmitDataBlocking(UART_0_INST, TxBuffer[i]);
  }
}
